Trivia

Although it is called "Heaven", its function in the Dragon Ball series is more comparable to Limbo as it is accessible to those who, while having done good deeds, have not done enough to keep their bodies in the afterlife. The location also bears a resemblance to the Ancient Greek concept of Asphodel Fields, in which those who have done good deeds but have never managed to carry out heroic acts are destined to reach.

Dabura is the only evil character known to have been sent to heaven as being a demon from Demon Realm, Dabura would enjoy Hell so King Yemma sent him to heaven as a form of punishment. Ironically, Dabura himself become a good person while in heaven.

Like with Earth's Hell, if Heaven is erased then the souls that exist there will be erased from existence. This occurs in Future Trunks' timeline when Future Zeno erases the future multiverse, resulting in Future Goku, Future Gohan, and the other inhabitants of Heaven being erased.